Scientists have teamed up with Last.fm to analyse the evolution of pop music in America. By approaching the charts with a scientific eye (or ear!) the team have pinpointed the birth of disco, the hip-hop revolution and the lingering death of Jazz and Blues.

A study published in the Royal Society journal Biology Letters today has tracked the blackpoll warbler as it makes a remarkable migration over the Atlantic. The tiny bird which weighs in at just 12g flies non-stop for 3 days in a migration which the scientists say is ‘one of the most amazing migratory feats on the planet’.